[MTD] NAND Modularize read function

Split the core of the read function out and implement
seperate handling functions for software and hardware
ECC.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/mtd/nand/diskonchip.c b/drivers/mtd/nand/diskonchip.c
index 2ec9080e2b14..83af6f05cd00 100644
--- a/drivers/mtd/nand/diskonchip.c
+++ b/drivers/mtd/nand/diskonchip.c
@@ -968,12 +968,14 @@ static int doc200x_calculate_ecc(struct mtd_info *mtd, const u_char *dat, unsign
         return 0;
 }
 
-static int doc200x_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc)
+static int doc200x_correct_data(struct mtd_info *mtd, u_char *dat,
+                                u_char *read_ecc, u_char *isnull)
 {
         int i, ret = 0;
         struct nand_chip *this = mtd->priv;
         struct doc_priv *doc = this->priv;
         void __iomem *docptr = doc->virtadr;
+        uint8_t calc_ecc[6];
         volatile u_char dummy;
         int emptymatch = 1;